@article{ref1,
title="Ventilation in trailers",
journal="Nordisk Hygienisk Tidskrift",
year="1969",
author="von Ubisch, H.",
volume="50",
number="1",
pages="42-44",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0029-1374",
doi="",
url="http://dx.doi.org/"
}